<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <title>lab</title>

</head>
<script src="http://api.tianditu.gov.cn/api?v=4.0&tk=b1abd1a22614e54255aec15ca2e3d0f9" type="text/javascript"></script>


<body>
  <div id="app"></div>
  <!-- built files will be auto injected -->
</body>

</html>
<style>
  * {
    margin: 0px;
    padding: 0px;
  }

  body {
    margin: 0px;
    padding: 0px;
  }
</style>